Fluid sprinkling – spraying – and diffusing – Including valve means in flow line – Reciprocating
Patent
1987-12-04
1989-04-04
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Including valve means in flow line
Reciprocating
B05B 130
Patent
active
048178764
ABSTRACT:
Contact pins of fuel injection valves are typically sealed off from the valve housing with sealing rings and provided with small plastic caps to protect them from an extruded plastic coating. The present invention simplifies this sealing. Accordingly, the housing includes axially aligned ducting bores with each ducting bore including a bore wall, each ducting bore of a valve housing is provided with at least two spaced bore grooves and each contact pin has at least two spaced contact pin grooves. Automatic sealing of the bores is attained by extrusion filling of the ducting bores and extrusion covering of the contact pins in the vicinity of the contact pin grooves based on the different temperature coefficients of the valve housing and plastic covering used.
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patent: 4643359 (1987-02-01), Casey
patent: 4679875 (1987-07-01), Ramsey
Greigg Edwin E.
Kashnikow Andres
Merritt Karen B.
Robert & Bosch GmbH
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